312320102 has 16 divisors (see below), whose sum is σ = 488297472. Its totient is φ = 149652360.

The previous prime is 312320093. The next prime is 312320131. The reversal of 312320102 is 201023213.

It is a happy number.

It is a super-2 number, since 2×312320102² = 195087692226580808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18068 + ... + 30839.

It is an arithmetic number, because the mean of its divisors is an integer number (30518592).

Almost surely, 2^312320102 is an apocalyptic number.

312320102 is a deficient number, since it is larger than the sum of its proper divisors (175977370).

312320102 is a wasteful number, since it uses less digits than its factorization.

312320102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49043.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 312320102 is about 17672.5805133263. The cubic root of 312320102 is about 678.4741609396.

Adding to 312320102 its reverse (201023213), we get a palindrome (513343315).

The spelling of 312320102 in words is "three hundred twelve million, three hundred twenty thousand, one hundred two".